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Top Cast
Jason Lee
Dave
David Cross
Ian
Jenny Slate
Zoe
Justin Long
Alvin (voice)
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Amy Poehler
Eleanor (voice)
Anna Faris
Jeanette (voice)
Christina Applegate
Brittany (voice)
Alan Tudyk
Simone (voice)
Michael P. Northey
Hawaiian Shirt Guy
Sophia Aguiar
Club Woman #1
Lauren Gottlieb
Club Woman #2
Tera Perez
Club Woman #3
Andy Buckley
Captain Correlli
Chad Krowchuk
Waiter
Luisa d'Oliveira
Tessa
Tucker Albrizzi
Tucker / Kite Kid
Nelson Wong
Casino Guy
Michael Bagdasarian
Excursion Clerk
Amber-Rochelle DeMarco
Damsel #1
Marcela Caceres
Damsel #2
Natalie Sutcliffe
Damsel #3
Ian Harmon
Monster
Phyllis Smith
Flight Attendant
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Janice Karman
Theodore / The Chipettes (singing voice) (uncredited)
Eoin Bates
Music Executive (uncredited)
Seth Robert Dusky
Additional Voices (voice) (uncredited)
Wendell Kinney
Cruise Guest (uncredited)
Jeremy Palko
Cruise Guy (uncredited)
Rachael Wegener
Model (uncredited)